A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 5920-01-442-6477
NSN 6650-00-084-4258
NSN 5996-00-683-5176
NSN 5960-01-551-7034
NSN 5990-01-024-9659
NSN 4140-01-515-9863
NSN 5975-01-344-4950
NSN 6105-01-517-8202
NSN 6320-00-456-2092
NSN 5855-01-100-3272
NSN 5930-01-263-3980
NSN 5965-01-284-5076